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Cheap flights from Portland to London from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 am - 5:35 pm
PDX
-
STN
23h 25m
2 stops
Multiple Airlines Logo
6:30 am - 7:11 pm
STN
-
PDX
20h 41m
3 stops
$897Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
3:30 pm - 12:10 am
PDX
-
STN
24h 40m
3 stops
Multiple Airlines Logo
6:30 am - 9:31 am
STN
-
PDX
35h 01m
3 stops
$904Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
11:48 am - 10:25 pm
PDX
-
STN
26h 37m
3 stops
Multiple Airlines Logo
8:20 am - 5:55 pm
STN
-
PDX
17h 35m
2 stops
$908Multiple Airlines
Mon, Sep 21 - Tue, Oct 6
Multiple Airlines Logo
3:30 pm - 7:30 pm
PDX
-
STN
20h 00m
2 stops
Multiple Airlines Logo
6:10 am - 5:55 pm
STN
-
PDX
19h 45m
2 stops
$915Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
10:10 am - 12:10 am
PDX
-
STN
30h 00m
3 stops
Multiple Airlines Logo
7:15 pm - 9:31 am
STN
-
PDX
46h 16m
3 stops
$918Multiple Airlines
Tue, Aug 11 - Fri, Aug 21
Multiple Airlines Logo
3:30 pm - 9:40 pm
PDX
-
STN
22h 10m
2 stops
Multiple Airlines Logo
9:20 pm - 1:35 pm
STN
-
PDX
24h 15m
2 stops
$929Multiple Airlines
Sat, Aug 22 - Wed, Aug 26
Multiple Airlines Logo
10:10 am - 11:50 pm
PDX
-
STN
29h 40m
3 stops
Multiple Airlines Logo
6:40 pm - 7:06 pm
STN
-
PDX
32h 26m
3 stops
$931Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Multiple Airlines Logo
3:30 pm - 12:30 am
PDX
-
STN
25h 00m
2 stops
Multiple Airlines Logo
6:30 am - 9:31 am
STN
-
PDX
35h 01m
3 stops
$933Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
3:30 pm - 9:40 pm
PDX
-
STN
22h 10m
2 stops
Multiple Airlines Logo
7:05 am - 5:55 pm
STN
-
PDX
18h 50m
2 stops
$934Multiple Airlines
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
10:10 am - 7:20 pm
PDX
-
STN
25h 10m
2 stops
Multiple Airlines Logo
6:35 am - 2:51 pm
STN
-
PDX
16h 16m
2 stops
$942Multiple Airlines
Fri, Aug 21 - Fri, Aug 28

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Turkish Airlines flights from Portland to London Stansted Airport

Our best Turkish Airlines deals on Portland to London Stansted Airport flight tickets
Turkish Airlines
Aug 4
PDX1:14 pmPortland
43h 26m
2 stops
STN4:40 pmLondon Stansted
Sep 13
STN5:35 pmLondon Stansted
37h 40m
2 stops
PDX11:15 pmPortland
$1,676
Turkish Airlines
Aug 5
PDX1:14 pmPortland
36h 41m
2 stops
STN9:55 amLondon Stansted
Aug 24
STN10:50 amLondon Stansted
43h 55m
2 stops
PDX10:45 pmPortland
$1,900
Turkish Airlines
Aug 8
PDX1:14 pmPortland
36h 41m
2 stops
STN9:55 amLondon Stansted
Aug 16
STN10:50 amLondon Stansted
44h 09m
2 stops
PDX10:59 pmPortland
$1,945

momondo Fare Finder

 
Customize your flight search to find flights from Portland to London Stansted Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Portland to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 9/10

10:10 am-5:35 pm

2 stops23h 25m

London Stansted

Thu 9/17

6:30 am-7:11 pm

3 stops20h 41m

$897

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 8/11

3:30 pm-12:10 am

3 stops24h 40m

London Stansted

Tue 8/18

6:30 am-9:31 am

3 stops35h 01m

$904

PortlandLondon

PDX - STN

PDXSTN

Portland

Mon 9/21

11:48 am-10:25 pm

3 stops26h 37m

London Stansted

Tue 10/6

8:20 am-5:55 pm

2 stops17h 35m

$908
Quickest round-trip

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 10/7

3:30 pm-7:30 pm

2 stops20h 00m

London Stansted

Fri 10/16

6:10 am-5:55 pm

2 stops19h 45m

$915

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 8/11

10:10 am-12:10 am

3 stops30h 00m

London Stansted

Fri 8/21

7:15 pm-9:31 am

3 stops46h 16m

$918

PortlandLondon

PDX - STN

PDXSTN

Portland

Sat 8/22

3:30 pm-9:40 pm

2 stops22h 10m

London Stansted

Wed 8/26

9:20 pm-1:35 pm

2 stops24h 15m

$929

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 10/6

10:10 am-11:50 pm

3 stops29h 40m

London Stansted

Tue 10/20

6:40 pm-7:06 pm

3 stops32h 26m

$931

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 8/27

3:30 pm-12:30 am

2 stops25h 00m

London Stansted

Thu 9/3

6:30 am-9:31 am

3 stops35h 01m

$933

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 9/23

3:30 pm-9:40 pm

2 stops22h 10m

London Stansted

Tue 9/29

7:05 am-5:55 pm

2 stops18h 50m

$934

PortlandLondon

PDX - STN

PDXSTN

Portland

Fri 8/21

10:10 am-7:20 pm

2 stops25h 10m

London Stansted

Fri 8/28

6:35 am-2:51 pm

2 stops16h 16m

$942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

When to book flights from Portland to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to London Stansted Airport (PDX to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London Stansted Airport

Fastest flight time

20h 42m

Direct flights

None
The fastest flight from Portland to London Stansted Airport takes 20h 42m
There are no direct flights from Portland to London Stansted Airport. There are no popular flight routes from Portland to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Portland to London Stansted Airport

  • How far is Portland to London Stansted by plane?

    The straight-line distance from Portland to London Stansted is 4898.6 mi. Typically, this will take 20h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to London Stansted Airport?

    Prices for flights from Portland Airport to London Stansted Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to London Stansted Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Portland to London Stansted Airport

  • How do I get Price Alerts for flights from Portland to London Stansted Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland from London Stansted Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Portland to London Stansted Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Kingston upon Thames
Watford
Slough
Harrow
Brentwood
Cobham
Romford
Uxbridge
Guildford
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to London for you.

Can I find flights from Portland to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to London?

momondo provides multiple filters to help you find the best flight to London from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Stansted Airport trip

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